There are 40 extant species named as dolphins. Dolphins range in size from the 1.7-metre-long (5 ft 7 in) and 50-kilogram (110-pound) Maui's dolphin to the 9.5 m (31 ft) and 10-tonne (11-short-ton) orca. Various species of dolphins exhibit sexual dimorphism where the …

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1 天前 · Miami Dolphins offensive tackle Terron Armstead (72) high five teammate Patrick Paul (52) after a play in the second half of their NFL game against the New England Patriots at Hard Rock Stadium on ...

2025年1月25日 · What are dolphins known for? Dolphins are popularly noted for their grace, intelligence, playfulness, and friendliness to humans.

2025年1月28日 · A miles-long cluster of dolphins has been filmed leaping and gliding across Carmel Bay off the central coast of California, forming an unusual “super pod” of more than 1,500 of the marine creatures.

2024年3月9日 · These various species have developed formidable adaptations in order to live in the world’s waters – some dolphins are slim and pink, others are fat, black and white. Some have as few as four teeth, others have up to 240. Some dolphins are intensely social, whilst others stray from the group.

2019年12月13日 · There are dolphins in every ocean on Earth, and there are freshwater species of dolphins that inhabit rivers in South Asian and South American. The largest dolphin species (the orca) grows to more than 30 feet long while the …

There are currently 42 species of dolphins and seven species of porpoises. Dolphins are marine mammals. They must surface to breathe air and give birth to live young. A dolphin pregnancy last between nine and 16 months. The mother feeds her offspring on milk. The sons and daughters of resident orcas stay with their maternal family for life.

There are 36 dolphin species, found in every ocean. Most dolphins are marine and live in the ocean or brackish waters along coastlines. There are a few species, however, like the South Asian...

There are at least 44 species of dolphin known to date. Most species live in the ocean, but a handful live exclusively in rivers! See all of them on our dolphin species list page and learn about some of the most recognizable ones on our species guide! How do dolphins sleep?